... exterior wall panel b, Got CE,SGS,ISO certification c, Obtained patents d, 20 years fade & agein Energy-saving interior wall ... decorative panelextruded under high temperature and pressure ,whose main material (about 60%) ... vesicant , anti-oxidants,dyestuff and so on . More paramerers of Energy-saving exterior wall panelSize:176*23mm,196*26mm,etcLength ...